| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 972.82 | USD | 20251026 |
| Shandong Hualu | China national standards | MT | 1099.71 | USD | 20251026 |
| Shandong Haili Chem | China national standards | MT | 1268.89 | USD | 20251026 |
| Qingdao Shengze Chem | China national standards | MT | 972.82 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 972.82 | USD | 20251025 |
| Shandong Xima | China national standards | MT | 874.13 | USD | 20251025 |
| Shandong Qiangsen Chem | China national standards | MT | 888.22 | USD | 20251025 |
| Shandong Qiangsen Chem | China national standards | MT | 888.22 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 972.82 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 972.82 | USD | 20251025 |